Link with actual headers instead of symlinks

and remove the symlinks.

Bug: 143245419
Test: build
Change-Id: I70e450d9db0f65048f86391c4d3f341659cd213f
diff --git a/media/libaudioprocessing/Android.bp b/media/libaudioprocessing/Android.bp
index 9b5d58c..1a6a5a2 100644
--- a/media/libaudioprocessing/Android.bp
+++ b/media/libaudioprocessing/Android.bp
@@ -32,6 +32,7 @@
     ],
 
     header_libs: [
+        "libaudiohal_headers",
         "libbase_headers",
         "libmedia_headers"
     ],